baber/WOPTO huggingface dataset:
Patent GB-802255-A (GB)
Title: Apparatus for filtering
IPC: B01D29/41
Filed: 1956-06-07
Abstract: 802,255. Filters. MULLER, H. K. June 7, 1956 [June 11, 1955 ; Sept. 29, 1955 ; Oct. 28, 1955], No. 17665/56. Class 46. A shaft 4 carrying, on a perforate hollow extension, filter elements 7, is stationary or only slowly rotated by a motor 10 during filtration, but at the conclusion of filtration, when supply of liquid to be filtered has been cut off, rotation is rapid to remove residues from the elements by centrifugal force, the residues being simultaneously or subsequently removed from the container 1 through an aperture 14. The shaft may be automatically switched to high-speed running when the filtrate flow falls below a predetermined amount. The aperture 14 may be opened automatically upon increase in rotational speed. Discharge of the cake may be assisted by a liquid or gas under pressure, by a conveyer worm, or by co-rotating scraper plates travelling along the container inner wall. Stationary or rotating nozzles pointing in a downward direction between the filter elements and the container wall may be provided under the lid 18 for the gas or liquid. Residues may be prevented from coming into contact with the container wall by liquid turned on before the elements are rapidly rotated. The residues may be washed, and then dried by heating elements in the container, by radiation, induction or vacuum, or by hot gases introduced at 15 and withdrawn at 16. The dried residues may be discharged by compressed air. The elements are permeable at their upper faces only. In processes connected, e.g., with sugar, beverages and penicillin, where it is the filtrate which is valuable, filter aid (e.g., kieselguhr, wood meal, asbestos fibres) is applied from a slurry, and during centrifuging after filtration the residues are back-washed with water. The residues may be rinsed with hot water before removal so that the effluent from the container is sterilized. The direction of shaft rotation can be varied during centrifuging. When filter cloths are used they may be cleaned in situ by oscillating the shaft to produce a washing- machine action ; the direction of flow of the washing liquid may also be varied. Rotating beater pins may be provided in the lower part of the container to crush the centrifuged residues ; other, fixed, pins may be provided to cooperate with them. A valve may be built into the rotatable shaft and may be operable from outside the container so that, on the valve being closed one or more filtering elements are cut off from the lowest part of the shaft.
Patent GB-612994-A (GB)
Title: Sewing machine safety devices
IPC: D05B3/06
Filed: 1946-06-13
Abstract: 612,994. Sewing-machines. SINGER MANUFACTURING CO. June 13, 1946, No. 17722. Convention date, Aug. 21, 1945. [Class 112] Starting and stopping gear-Interlocking means are provided between the work-clamp and stop-gear of a buttonhole sewing-machine to prevent opening of the clamp, with consequent operation of thread-cutting devices which move across the needle path, when the machine is running and to prevent starting of the machine when the clamp is open. In the machine described, the upper work-clamp member has a tail 31 adapted to be depressed, to open the clamp, by a roller 32 on a lever 33 to which a treadle-rod (not shown) is attached by a pin 36; the pin 36 engages a camgroove in an arm 65 which brings into operation threadcutters as described, in Specifications 611,877 and 611,879. The machine is driven by mechanism similar to that described in Specification 563,267, including stop-gear which comprises a spring plunger 80 carried by a member 79, pivoted at its centre, and adapted, when the member 79 is in the stopping position, to be depressed by a cam 82 on the driving shaft and then to spring into a stop-notch in this cam. One end of a lever 92 engages a roller 97 on the stop-member 79 and the other end passes under the clamp-actuating lever 33 so that when the stop-member is tilted anticlockwise to its running position the left-hand end of lever 92 rises.to prevent depression of the lever 33 to open the clamp. When the member 79 is in the stopping position, as shown, the lever 92 frees the clampopening lever, the depression of which prevents actuation of the member 79 while the clamp is open, but in order to prevent actuation of the clamp before the machine actually stops a pivoted latch 98, engaging under the pin 36, is provided. This latch is linked to a pivoted member 102 having a biassing spring 111 and carrying a pivoted catch 105 adapted, under the action of a spring 110, to engage over a lug 106 on the stop-plunger 80 when the latter is depressed during the stopping process so that the final rise of the plunger actuates the member 102 to retract the latch 98. The catch 105 is disengaged by a stop when the member 79 is tilted to start the machine. Specifications 203,359, [Class 112], and 386,543 also are referred to.
Patent GB-451536-A (GB)
Title: An improved cleaner and/or polisher
IPC: A47L1/15
Filed: 1935-06-22
Abstract: 451,536. Pads. TSIPIS, J. S., 129, Finsbury Pavement, London. June 22, 1935, No. 18011. [Class 19] A cleaner and /or polisher for cleaning cars, windows, and the like comprises a pad made partly of chamois leather a, sheepskin, buckskin or the like, and partly of permeable materia' b such as gauze, netting, scrim, stockinette or the like, to permit rapid influx of water. The pad is stuffed with sponge material s preferably bleached and cut into regular pieces to form a compact whole without appreciable gaps. The material b may form the sides of the pad or the sides and bottom. The leather edges may be reinforced by folding or by the addition of strip material. The leather may also be strengthened internally by perforated rubber sheet or netting.
Patent GB-684660-A (GB)
Title: Method for the fastening of sounding boards in musical instruments with a striking mechanism
Filed: 1951-07-30
Abstract: 684,660. Pianofortes. CASPERSEN, E. [trading as CASPERSEN, BRODR.]. July 30, 1951 [Aug. 9, 1950], No. 18011/51. Class 88 (ii). A resilient strip 4 is interposed between the edge of the soundboard 1 and the frame 3 and is secured to the soundboard by a set of spacers 5 and to the frame by a set of spacers 6, the two sets of spacers 5, 6 being mutually staggered so that the soundboard 1 is resiliently mounted on the frame 3. The gaps between the spacers are filled with wool, rubber or other suitable material to exclude foreign bodies.
Patent GB-819659-A (GB)
Title: Improvements in or relating to a power assisted steering mechanism for motor vehicles
IPC: B62D5/087
Filed: 1956-06-11
Abstract: 819,659. Vehicle power steering. REIS, S. June 11, 1956 [June 10, 1955], No. 18033/56. Class 79(5) In a power assisted steering mechanism having the rod 5 of a double acting piston 2 connected to the steerable wheels (not shown) and to a valve external to the cylinder 1 housing the piston 2, pressure fluid is supplied by a pump 6 directly to the smaller face of the piston and to the valve which selectively directs the fluid the the larger face of the piston 2 to move it, back to the pump 6 whereby the piston 2 is moved by the pressure on the smaller face, or both to the pump 6 and the larger side whereby the piston 2 is not moved. As shown, the piston 2 divides the cylinder 1 into compartments 3, 4, the cross sectional area of the rod 5 being half that of the cylinder 1 and the compartment 3 being connected by pipes 8, 7 to the output of the pump. The compartment 4 is connected by a pipe 22 to a port 21 in a valve body 11 also having a port 18 connected by a pipe 19 to a sump 40 connected to the pump inlet. The valve body 11 also has a port 10 connected by pipes 9, 7 to the pump output. A bore 12 in the body 11 houses a valve element 14, the body 11 being connected to the vehicle steering means (not shown) and the element 14 to the rod 5. The element 14 has a groove 15 and the body 11 a groove 20, whereby movement of the element 14 relative to the body 11 to the right or left of the position shown causes the end 16 of the element 14 to co-operate with the bore 12 to prevent fluid flow in the bore 12 either between the port 10 and the ports 18, 21 or between the port 18 and the port 21, thus pressurizing the compartment 3 or the compartment 4. In order to provide the driver with "feel", a pipe 36 connects the pump output to a port 34 leading to a compartment 35 housing a reduced portion 23 of the element 14. The portion 23 carries between a shoulder 24 and a stop 25 a washer 26, a spring 27 and a sleeve 28, the washer 26 and sleeve 28 co-operating with shoulders 31, 32 on an extension 30 of the body 11. The washer 26 has an aperture 29 connecting the compartment 35 with a chamber 33. In a modified valve construction, Fig. 2 (not shown), the port 21 is provided in a reduced portion of the bore 12, the valve operating in a similar manner.
Patent GB-460495-A (GB)
Title: Improvements in or relating to weaving heddles
IPC: D03C9/02
Filed: 1936-06-30
Abstract: 460,495. Making wire heddles. DATHE, P. June 30, 1936, No. 18070. Convention date, July 5, 1935. [Class 83 (iv)] [Also in Group IX] A wire heddle is made from a single length of wire folded on itself, or from two parallel lengths, by first closely twisting the strands together to form a central eye 6, loosely twisting the remainder, bending into end loops and finally closing the end loops by close twisting.
Patent GB-346616-A (GB)
Title: Improvements in or relating to combined kinematographic and sound record films
Filed: 1930-06-12
Abstract: 346,616. Combined sound and picture films. KODAK, Ltd., Kodak House, Kingsway, London.-(Assignees of Sandvik, O. ; Kodak Park, Rochester, New York, U.S.A.) June 12, 1930, No. 18077. Convention date, June 14, 1929. Drawings to Specification. [Class 40 (ii).] A combined sound and kinematograph positive film is produced so as to offer a differential gamma control between the piston record and the sound record by coating the picture and sound areas respectively with emulsions whose characteristics are such that the product of the gammas of the positive and negative sound record is a constant and equal to unity and has a light transmission average not less than 35 per cent, the emulsion on the picture area having a different gamma when both areas are printed by lengths of the same character. One method of attaining this is to employ different dyes in the respective emulsions, for example a yellow dye in the picture emulsion and an orange, blue or green dye in the sound emulsion and printing by a common light directed through a suitable filter. United States Specification 1,690,617 is referred to.
Patent GB-1270141-A (GB)
Title: Coloration process
Inventor: PARSONS BRIAN NEVILLE
IPC: D06P1/00
Filed: 1968-04-17
Abstract: 1,270,141. Dyeing with polymer dyes. IMPERIAL CHEMICAL INDUSTRIES Ltd. 16 April, 1969 [17 April, 1968], No. 18111/68. Heading D1B. [Also in Division C3] Fibrous materials or polymeric films are coloured by treating with a solution or suspension of anthraquinone dyes containing at least one aryloxy or arylamino residue and at least two groups of the formula I in which R 1 , R 2  and R 3  each independantly represents a hydrogen atom or a methyl group P is -O-, -N(R 4 )- or -N(R 4 ) N(R 5 )- in which cases Q represents a direct linkage or a linkage of formula -CO-, -COO-, -CONH-, or -CSNH-, or P is -CO- in which case Q is -O-, -S-, or -N(R 4 ) wherein each R 4  and R 5  independantly represents hydrogen or an optionally substituted lower C 1-4  alkyl group; Y is an optionally substituted alkylene radical, n is zero or 1, the treatment being carried out in conjunction with a polymerisation catalyst which may be applied before, after or simultaneously with the dyestuff. Preferably 2-4 of the groups above are present in the dyestuff which may also have one or two sulphonic acid groups. The polymerisation catalyst may be present as 1-500% by weight of the dye used, also other copolymerisable monomers may be present, e.g. α- olefins and vinyl compounds. Substrates to be dyed include cotton, wool, silk, nylon 6, nylon 66, aromatic polyesters, cellulose acetate, polyurethane and modified or unmodified polyacrylonitrile. Polymerisation catalysts include free radical generating agents, peroxides, azo compounds, redox systems, X-rays, gamma rays, electron beams and ultra violet light.
Patent GB-948884-A (GB)
Title: Arrangement for the axial removal and replacement of the bearing housing for a shaft end for winding drums or similar apparatus
IPC: B21B31/07
Filed: 1962-05-11
Abstract: 948,884. Winding and reeling. SIEMAG SIEGENER MASCHINENBAU G.m.b.H. May 11, 1962 [May 13, 1961], No. 18130/62. Heading B3E. [Also in Division F2] A bearing assembly for a shaft 1 of a winding- drum 2 &c. is removed and replaced axially from said shaft in order to allow a finishedwound drum to be taken off the shaft and an empty drum to be placed thereon. A guide-bush 10 of the assembly is engageable with the shaft 1, supports roller bearings 11, and is bolted to a member 4 which is movable in a housing 3. A rod 8, of a piston 6, is attached to the assembly so that the piston can be moved to cause mounting or dismounting of the assembly with the shaft 1. The piston 6, which is in a cylinder 5, may be fluid-operated, the fluid being passed through openings 7. The housing 3 is carried by an arm 12 which is pivoted at 13 and is moved pivotally by a piston-cylinder apparatus 1 so that the shaft 1 is easily accessible for drum interchanging. The axial and pivotal movements of the assembly may be effected electrically.
Patent GB-145791-A (GB)
Title: Improvements relating to explosives
IPC: C07D487/18
Filed: 1920-07-02
Abstract: Cyclotrimethylenetrinitramine for use in explosives is prepared by the action of nitric acid on derivatives of the hypothetical cyclotrimethylenetriamine such as hexamethylenetetramine and the condensation product obtained from formaldehyde with methylamine.
Patent GB-1264044-A (GB)
Title: Liquid scintillation counting compositions
IPC: C09K23/42
Filed: 1969-04-09
Abstract: 1,264,044. Uses of luminescence. MONSANTO CO. 9 April, 1969 [11 April, 1968], No. 18249/69. Heading C4S. A liquid. scintillation counting composition comprises an aromatic hydrocarbonsolvent, a scintillation solute and an ethoxylated alkyl phenol in which the alkyl substituent contains 7 to 16 carbon atoms and in which the ratio of carbon, atoms in the substituent to ethoxy groups is 0À83 to 1À67. Preferably at least 80% of the phenol is in a para form. The phenols are prepared by condensing ethylene oxide and an alkalated phenol. Solvents include toluene, benzene, xylene, cumene, ethyl benzenes and mesitylene. Solutes include m- or p-terphenyl, oxazoles and oxadiazoles e.g. PBD, PPO. A secondary solute acting as a spectrum shifter or wave band shifter may be present e.g. POPOP, alpha-NOPON, DPH and alpha-NPO. Radioactivity of samples shaving a high water content can be measured including bases, salts, sugars, organic solids and liquids soluble in the aromatic solvent, tritium labelled water, CO 2  converted to Na 2 CO 3  and proteins. Specification 1,179,967 is referred to.
Patent GB-1101070-A (GB)
Title: Guide systems for installing equipment at submerged well heads
Inventor: MATTHEWS STANLEY EDWARD
IPC: E21B41/10
Filed: 1965-02-02
Abstract: 1,101,070. Wells &c. GRAY TOOL CO. 2, Feb., 1965, No. 18256/67. Divided out of 1,099,851. Heading E1F. Means for guiding equipment to, and supporting equipment at a submerged well head has remotely controlled means for transferring the weight of the equipment to guide posts fixed adjacent the well head The means for guiding comprises posts 138 having guide lines 152 positioned about the well and a series of sleeves 154 which may be telescoped over the posts, the sleeves being connected by arms 172, 190 to the casing or other equipment. A piston 158 slides in the sleeve and engages the top of the post, the release of fluid above the piston being controlled to adjust the rate of descent of the casing. Further equipment such as blow-out preventers may be lowered down the lines on a frame 202. Hydraulic pressure may be applied above the piston to remove equipment. In a modification of the guide means the top of the guide posts are telescopic over the lower part of the posts which form pistons and have upwardly extending rods over which the sleeves slide as the upper parts of the posts are depressed.
Patent GB-814546-A (GB)
Title: Improvements in extensible ladders
Inventor: DEVINE DANIEL
IPC: E06C7/16
Filed: 1956-06-13
Abstract: 814,546. Ladders. RAMSEY & SONS (FORFAR) Ltd. Sept. 4, 1957 [June 13, 1956], No. 18276/56. Class 20(2) [Also in Group XXX] An extensible ladder has the stiles of the upper and lower sections (15 and 10 respectively) provided with fitting channels 18, 14 within which is a member 19 supporting a hoist 20, 21 connected to a cable which passes over a pulley at the upper end of the upper section and is wound on a drum at the foot of the lower section. (Fig. 2, not shown, illustrates the arrangement of the cable.) The channels 18, 14 may be lined with or formed of aluminium. The member 19 may consist of a spring-loaded rod 30 housing two spindles 31 carrying ball heads 29 which take up the difference between the channels 18, 14 as the platform 21 ascends from the lower to the upper section. To extend the ladder the cable is detached from the hoist 20, passed over a pulley on the top rung of the lower section and attached to an eye on the foot rung of the lower section which may be reinforced by a metal sleeve and screwed end plates (Fig. 2, not shown).
Patent GB-711228-A (GB)
Title: Improvements in or relating to pipe wrenches
Inventor: SHARMAN JOHN CHARLES
IPC: B25B13/50
Filed: 1951-08-02
Abstract: 711,228. Wrenches. GARRINGTONS, Ltd. July 30, 1952 [Aug. 2, 1951], No. 18284/51. Class 61 In a pipe wrench; the fixed jaw 11 and adjustable jaw 21 are connected together for limited pivotal movement by a pair of trunnion pins 17, 27 having their pivoting axes parallel but spaced apart. The stem 20 of the adjustable jaw is slidable in a channel-shaped guide 19 which is pivoted by the pin 17 to the body 10 which carries the fixed jaw 11. The arms of the guide closely embrace opposite sides of the recessed body, the pivotal movement of the guide being limited by engagement with a shoulder on the fixed jaw. The jaw 21 is connected to the body 10 through the medium of a pivoted locking pawl 24. The pawl has a forked end 26, the ends of the fork being received in recesses in opposite sides of the body and pivoted thereto by the pin 27. The pawl has ratchet teeth 25 which are held in engagement with ratchet teeth on the stem 20 of the adjustable jaw by a compression spring 31 and released by pressure on a thumb piese 33 at the free end of the pawl. Specifications 711,229, 711,230 and 711,231 are referred to.
Patent GB-183702-A (GB)
Abstract: 183,702. Villiers Engineering Co., Ltd., Fountney, F., and Bradley, J. July 13, 1921. Interrupters, mechanical; cases.-A timer for ignition magnetos, of the type in which the interrupter contacts are enclosed within a casing: and the rocking contact-member projects through the side of the casing and is operated by the cam-member, have the contact-member formed with a hub portion adapted in all positions to fill up the gap in the casing through which the contact-member projects. As shown in Figs. 1 and 2, the casing is formed with a lateral boss E drilled to receive the pivot pin F of the rocker G, which carries the spring-controlled contact J within the casing. The pivot pin has a concentricenlargement in the form of a hub H which fits within a recess formed in the boss so that a portion of the periphery of the hub extends outside the casing, while the cover B which fits within a recess A<2> rests upon the face of the hub portion and retains the rocker in position.
Patent GB-677947-A (GB)
Title: Moistureproof piezoelectric crystal element
IPC: H03H9/10
Filed: 1950-07-24
Abstract: 677,947. Piezo-electric crystals. BRUSH DEVELOPMENT CO. July 24, 1950 [Jan. 6, 1950], No. 18404/50. Drawings to Specification. Class 40 (viii). A piezo-electric crystal has a major face covered with lubricating material, and a moisture-resisting coating is secured around the crystal, the lubricant serving to decouple the coating from the crystal for motions of the latter in the plane of its major face. The coating may be metal foil, and the lubricant polyisobutylene or molybdenum disulphide. Specifications 318,934, [Class 40 (v)], 641,959 and 656,164 are referred to.
Patent GB-710395-A (GB)
Title: Improvements in or relating to pre-fabricated building structures
IPC: E04F13/12
Filed: 1952-07-21
Abstract: 710,395. Prefabricated structures; comer units. WYNMALEN, H., and POWELL, J. W. April 27, 1953 [July 21, 1952], No. 18412/52. Class 20 (4) A corner unit for a prefabricated building structure of the kind in which the external walls are constituted by cladding sheets of metal, asbestos, or other material, provided along one face with inwardly directed channels for hooking into position on horizontal channel section bars secured to a skeleton framework of the structure, not shown, comprises an inner panel 5 bent along a centre line 6 to form two parts at right angles to each other and an outer panel 8, made of flexible material and bent to conform to the shape of the panel 5, the two plates 5, 8, and preferably also an intermediate distance piece 10, being connected together by rivets 9. The margins 8a of the plates 8, folded inwards, are spring urged against the inner plate 5 in order to grip firmly the marginal edge of a terminal cladding sheet 3 when it is inserted between the two plates 5, 8. Each terminal unit 3, having no hook section limbs 7, is provided at its upper edge with a lip 4 to locate the unit in a vertical direction, the corner unit being provided, on the inside face of the plate 5, with hook section elements 7 to hook over the channel section bearers of the skeleton framework. The cladding sheets, not shown, are provided along their side edges with channels, the terminal units 3 having a channel 2b along one side only. The corner units may be erected one upon the other to form structures of greater height each uppermost unit being provided adjacent the lower edge on the inside of its plate 5 with a projecting plate adapted to overlap the upper edge of the unit below it, the joints between the plates 5, the plates 8, and the cladding sheets, being offset longitudinally to prevent ingress of water &c.
Patent GB-1222277-A (GB)
Title: Pressure vessel
Inventor: GREER EDWARD MAURICE
IPC: F15B1/16
Filed: 1968-04-18
Abstract: 1,222,277. Hydraulic accumulators. GREER HYDRAULICS Inc. April 18, 1968 [April 19, 1967], No. 18441/68. Heading F1P. [Also in Division F2] An hydraulic pressure accumulator comprises a gas-filled bladder 14 sealingly secured by its mouth to the inside of a pressure container 11 and having at its other end a valve member 40, the member 40 being arranged when the bladder is fully expanded into contact with the container to seat in the tapering portion 76 of a bore 70 having a Venturi configuration. During charging an axial tube 51 carried by the bladder slides over a fixed guide tube 35 to prevent the bladder folding or rubbing against the container wall. Gas is admitted to the bladder through a valve 43, the bore of the guide tube 35, and radial openings 58. The openings 58 are covered by the tube 51 when the bladder is completely collapsed thus preventing extrusion of the bladder therethrough. A frusto-conical grommet 16, separate or integral with the bladder, inwardly of its mouth, prevents sharp bends 80 occurring in the bladder when in the collapsed (chain dotted) condition. The valve member 40 may have a stainless steel seating surface, Fig.4 (not shown).